例:①酸性强于相应醇、酚 1R-SH Naoh RSNa ho 2)○SH+ Nahco3→(○SNa+H2O 3)R-SH Pb(CH3COO)2(R-S)2 Pb CH’OH CH OH 4) CHSH Hg CH- S 2+ CH SH CH S例： 1)R-SH + NaOH R-SNa + H2O 2) SH + NaHCO3 SNa + H2O 3) R-SH + Pb(CH3COO)2 (R-S)2 Pb 4) SH SH CH2 CH CH2 OH + Hg2+ S S CH2 CH CH2 OH Hg2+ ①酸性强于相应醇、酚